package com.yiyang.cloud.controller;

import com.yiyang.cloud.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@RestController
@RequestMapping("/orders")
public class OrderController {

    @Autowired
    private RestTemplate restTemplate;
    @Autowired
    private DiscoveryClient discoveryClient;


    @GetMapping("/users/{id}")
    public User findByUserId(@PathVariable("id") Long id) {
        return restTemplate.getForObject("http://localhost:9000/users/" + id, User.class);
    }

    @GetMapping("/v2/users/{id}")
    public User findByUserId2(@PathVariable("id") Long id) {
        List<ServiceInstance> instances = discoveryClient.getInstances("user-center");
        ServiceInstance serviceInstance = instances.get(0);
        return restTemplate.getForObject(serviceInstance.getUri().toString() +"/users/" + id, User.class);
    }

    @GetMapping("/user-instance")
    public List<ServiceInstance> instances() {
        return discoveryClient.getInstances("user-center");
    }

}
